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144 lines
4.5 KiB
C
144 lines
4.5 KiB
C
/* @(#)patmatch.h 1.16 17/07/02 Copyright 1985,1993-2017 J. Schilling */
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#ifndef _SCHILY_PATMATCH_H
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#define _SCHILY_PATMATCH_H
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/*
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* Definitions for the pattern matching functions.
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*
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* Copyright (c) 1985,1993-2017 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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* A copy of the CDDL is also available via the Internet at
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* http://www.opensource.org/licenses/cddl1.txt
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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/*
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* The pattern matching functions are based on the algorithm
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* presented by Martin Richards in:
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*
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* "A Compact Function for Regular Expression Pattern Matching",
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* Software-Practice and Experience, Vol. 9, 527-534 (1979)
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*
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* Several changes have been made to the original source which has been
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* written in BCPL:
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*
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* '/' is replaced by '!' (to allow UNIX filenames)
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* '(',')' are replaced by '{', '}'
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* '\'' is replaced by '\\' (UNIX compatible quote)
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*
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* Character classes have been added to allow "[<character list>]"
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* to be used.
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* Start of line '^' and end of line '$' have been added.
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*
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* Any number in the following comment is zero or more occurrencies
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*/
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#ifndef _SCHILY_MCONFIG_H
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#include <schily/mconfig.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ALT '!' /* Alternation in match i.e. this!that!the_other */
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#define REP '#' /* Any number of occurrences of the following expr */
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#define NIL '%' /* Empty string (exactly nothing) */
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#define STAR '*' /* Any number of any character (equivalent of #?) */
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#define ANY '?' /* Any one character */
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#define QUOTE '\\' /* Quotes the next character */
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#define LBRACK '{' /* Begin of precedence grouping */
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#define RBRACK '}' /* End of precedence grouping */
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#define LCLASS '[' /* Begin of character set */
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#define RCLASS ']' /* End of character set */
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#define NOT '^' /* If first in set: invert set content */
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#define RANGE '-' /* Range notation in sets */
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#define START '^' /* Begin of a line */
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#define END '$' /* End of a line */
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/*
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* A list of case statements that may be used for a issimple() or ispattern()
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* funtion that checks whether a string conrtains characters that need the
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* pattern matcher.
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*
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* Note that this list does not contain NOT or RANGE because you need
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* LCLASS and RCLASS in addition.
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*/
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#define casePAT case ALT: case REP: case NIL: case STAR: case ANY: \
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case QUOTE: case LBRACK: case RBRACK: \
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case LCLASS: case RCLASS: case START: case END:
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#define MAXPAT 128 /* Max length of pattern for opatmatch()/opatlmatch() */
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extern int patcompile __PR((const unsigned char *__pat, int __patlen,
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int *__aux));
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extern unsigned char *opatmatch __PR((const unsigned char *__pat,
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const int *__aux,
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const unsigned char *__str,
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int __soff, int __slen,
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int __alt));
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extern unsigned char *opatlmatch __PR((const unsigned char *__pat,
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const int *__aux,
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const unsigned char *__str,
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int __soff, int __slen,
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int __alt));
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extern unsigned char *patmatch __PR((const unsigned char *__pat,
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const int *__aux,
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const unsigned char *__str,
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int __soff, int __slen,
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int __alt, int __state[]));
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extern unsigned char *patlmatch __PR((const unsigned char *__pat,
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const int *__aux,
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const unsigned char *__str,
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int __soff, int __slen,
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int __alt, int __state[]));
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#ifdef __cplusplus
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}
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#endif
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#ifdef _SCHILY_WCHAR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int patwcompile __PR((const wchar_t *__pat, int __patlen,
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int *__aux));
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extern wchar_t *patwmatch __PR((const wchar_t *__pat, const int *__aux,
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const wchar_t *__str,
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int __soff, int __slen,
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int __alt, int __state[]));
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extern wchar_t *patwlmatch __PR((const wchar_t *__pat, const int *__aux,
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const wchar_t *__str,
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int __soff, int __slen,
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int __alt, int __state[]));
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extern unsigned char *patmbmatch __PR((const wchar_t *__pat,
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const int *__aux,
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const unsigned char *__str,
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int __soff, int __slen,
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int __alt, int __state[]));
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extern unsigned char *patmblmatch __PR((const wchar_t *__pat,
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const int *__aux,
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const unsigned char *__str,
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int __soff, int __slen,
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int __alt, int __state[]));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SCHILY_WCHAR_H */
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#endif /* _SCHILY_PATMATCH_H */
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